linux-kernel - [PATCH] drm/amdkfd: return negative error code in svm

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Message-Id: <20240325063148.3950639-1-suhui@nfschina.com>
Date: Mon, 25 Mar 2024 14:31:49 +0800
From: Su Hui <suhui@...china.com>
To: Felix.Kuehling@....com,
	alexander.deucher@....com,
	christian.koenig@....com,
	Xinhui.Pan@....com,
	airlied@...il.com,
	daniel@...ll.ch
Cc: Su Hui <suhui@...china.com>,
	Philip.Yang@....com,
	alex.sierra@....com,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH] drm/amdkfd: return negative error code in svm_ioctl()

svm_ioctl() should return negative error code in default case.

Fixes: 42de677f7999 ("drm/amdkfd: register svm range")
Signed-off-by: Su Hui <suhui@...china.com>
---
Ps: When I try to compile this file, there is a error :
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:28:10: fatal error: amdgpu_sync.h:
No such file or directory.

Maybe there are some steps I missed or this place need to be corrected?

 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index f0f7f48af413..41c376f3fd27 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -4147,7 +4147,7 @@ svm_ioctl(struct kfd_process *p, enum kfd_ioctl_svm_op op, uint64_t start,
 		r = svm_range_get_attr(p, mm, start, size, nattrs, attrs);
 		break;
 	default:
-		r = EINVAL;
+		r = -EINVAL;
 		break;
 	}
 
-- 
2.30.2